| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a disk control program which, when data recorded on a disk is to be replicated, encrypted, or erased, can rapidly perform the corresponding process independently of a file system. <P>SOLUTION: The disk control program makes a computer execute steps including: a map creation step for setting a flag at a bit position corresponding to a predetermined sector position in a bitmap table included in a nonvolatile memory when data is written at a predetermined position in a first disk; a replication step for replicating only data recorded at a sector position where only writing has been performed on the basis of the flag of the bitmap table when data stored in the first disk is to be replicated into a second disk. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
